Moluscs R

Edit 1 4 …
Grass Bush Grass Grass Bush Grass

1
Black Green Orange Red Yellow

5 2 1 9 3
2
Black Green Orange Red Yellow

4 5 4 4 3
3
Black Green Orange Red Yellow

7 1 1 2 9
4
Black Green Orange Red Yellow

7 1 2 2 8
5
Black Green Orange Red

4 6 9 1
6
Black Orange Red Yellow

6 1 6 7

Chi Squared Test


 Black
 Green
 Orange
 Red
 Yellow
 total
1
 5
 2
 1
 9
 3
 20
2
 4
 5
 4
 4
 3
 20
3
 7
 1
 1
 2
 9
 20
4
 7
 1
 2
 2
 8
 20
5
 4
 6
 9
 1
 0
 20
6
 6
 0
 1
 6
 7
 20
Total
 33
 15
 18
 24
 30
Expected
 5.5
 2.5
 3
 4
 5

X2
 1.68
 9.3
 10.5
 12.4
 16.65
x
 1.30
 3.05
 3.24
 3.52
 4.08

We decided into combining green and orange as they had expected value less than or equal to 3. Also, by combining them the degree of freedom reduces aswell.

Shrub

 Black
 Green
 Orange
 Red
 Yellow
 total
2
 4
 5
 4
 4
 3
 20
5
 4
 6
 9
 1
 0
 20
Total
 8
 11
 13
 5
 3
Expected
 4
 5.5
 6.5
 2.5
 1.5


Black
 Green
 Orange
 Red
 Yellow
 total
X2
 0
 0.09
 7.21
 1.8
 3
 12.1
x
 0
 0.3
 2.69
 1.34
 1.73
 3.48
Shrub combining green and orange

 Black
 Green/orange
 Red
 Yellow
 total
2
 4
 9
 4
 3
 20
5
 4
 15
 1
 0
 20
Total
 8
 24
 5
 3
Expected
 4
 12
 2.5
 1.5


Black
 Green/orange
 Red
 Yellow
 total
X2
 0
 1.5
 1.8
 3
 6.3
x
 0
 1.22
 1.34
 1.73
 2.51

Grass

 Black
 Green
 Orange
 Red
 Yellow
 total
1
 5
 2
 1
 9
 3
 20
3
 7
 1
 1
 2
 9
 20
4
 7
 1
 2
 2
 8
 20
6
 6
 0
 1
 6
 7
 20
Total
 25
 4
 5
 19
 27
Expected
 6.25
 1
 1.25
 4.25
 6.75


Black
 Green
 Orange
 Red
 Yellow
 total
X2
 0.44
 2
 0.6
 8.4
 0.009
 11.45
x
 0.66
 1.41
 0.77
 2.90
 0.095
 5.835
Grass combining green and orange

 Black
 Green
 Red
 Yellow
 total
1
 5
 3
 9
 3
 20
3
 7
 2
 2
 9
 20
4
 7
 3
 2
 8
 20
6
 6
 1
 6
 7
 20
Total
 25
 9
 19
 27
Expected
 6.25
 2.25
 4.25
 6.75


Black
 Green
 Red
 Yellow
 total
X2
 0.44
 1.168
 8.4
 0.009
 10.02
x
 0.66
 1.1.08
 2.90
 0.095
 3.16